Geneva, Feb. 2 -- International Clinical Trials Registry received information related to the study (ChiCTR2600117449) titled 'Comparison of the Effects of Oxycodone Administered by Peripheral Nerve Block and Intravenous PCIA on Postoperative Analgesia and Adverse Reactions in Patients Undergoing Abdominal Surgery' on Jan. 23.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The Second People's Hospital of Yibin City

Condition: Laparoscopic Total Hysterectomy

Intervention: N group:Within 15 minutes after the end of surgery, bilateral transversus abdominis plane (TAP) block was performed with a mixture of 5 mg oxycodone and 0.375% ropivacaine (total volume: 40 ml), with 20 ml injected on each side. Subsequent...